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https://issues.apache.org/jira/browse/HDFS-2766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184038#comment-13184038
]
Hudson commented on HDFS-2766:
------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #44 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/44/])
HDFS-2766. Test for case where standby partially reads log and then
performs checkpoint. Contributed by Aaron T. Myers
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1229929
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileJournalManager.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSImageTestUtil.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java
> HA: test for case where standby partially reads log and then performs
> checkpoint
> --------------------------------------------------------------------------------
>
> Key: HDFS-2766
> URL: https://issues.apache.org/jira/browse/HDFS-2766
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Aaron T. Myers
> Attachments: HDFS-2766-HDFS-1623.patch, HDFS-2766-HDFS-1623.patch
>
>
> Here's a potential bug case that we don't currently test for:
> - SBN is reading a finalized edits file when NFS disappears halfway through
> (or some intermittent error happens)
> - SBN performs a checkpoint and uploads it to the NN
> - NN receives a checkpoint that doesn't correspond to the end of any log
> segment
> - Both NN and SBN should be able to restart at this point.
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